Cheapest one-way flights from Hanoi to London in September from $420

AirHint found the following cheapest one-way flights from Hanoi (HAN) to London (LHR) in September 2025 (see full year).

One-Way flights

21 Sep Qatar Airways
17 Sep IndiGo
18 Sep VietJet Air
16 Sep Thai AirAsia
19 Sep Qatar Airways
29 Sep Vietnam Airlines direct
24 Sep Vietnam Airlines direct
17 Sep Vietnam Airlines direct
28 Sep Vietnam Airlines direct
22 Sep Vietnam Airlines direct

Also check the deals for return flights from Hanoi to London in September.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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